KJST is the ICAO code for John Murtha Johnstown Cambria County Airport (IATA JST), located in Johnstown, PA.
John Murtha Johnstown–Cambria County Airport is a civil-military airport 3 miles (4.8 km) northeast of Johnstown, in Richland Township, Cambria County, Pennsylvania. It is owned by Johnstown–Cambria County Airport Authority and is named after the late Congressman John Murtha. It sees one airline, subsidized by the Essential Air Service.
Excerpted from Wikipedia, available under the Creative Commons Attribution-ShareAlike License.